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|
#!/bin/sh
#
# tiger - A UN*X security checking system
# Copyright (C) 1993 Douglas Lee Schales, David K. Hess, David R. Safford
#
# Please see the file `COPYING' for the complete copyright notice.
#
# check_group - 06/14/93
#
#-----------------------------------------------------------------------------
#
TigerInstallDir='.'
#
# Set default base directory.
# Order or preference:
# -B option
# TIGERHOMEDIR environment variable
# TigerInstallDir installed location
#
basedir=${TIGERHOMEDIR:=$TigerInstallDir}
for parm
do
case $parm in
-B) basedir=$2; break;;
esac
done
#
# Verify that a config file exists there, and if it does
# source it.
#
[ ! -r $basedir/config ] && {
echo "--ERROR-- [init002e] No 'config' file in \`$basedir'."
exit 1
}
. $basedir/config
. $BASEDIR/initdefs
#
# If run in test mode (-t) this will verify that all required
# elements are set.
#
[ "$Tiger_TESTMODE" = 'Y' ] && {
haveallcmds AWK CAT GEN_GROUP_SETS GREP JOIN MV RM SORT UNIQ || exit 1
haveallfiles BASEDIR WORKDIR || exit 1
echo "--CONFIG-- [init003c] $0: Configuration ok..."
exit 0
}
#------------------------------------------------------------------------
echo
echo "# Performing check of group files..."
haveallcmds GEN_GROUP_SETS CAT SORT AWK UNIQ GREP JOIN MV || exit 1
haveallfiles BASEDIR WORKDIR || exit 1
$GEN_GROUP_SETS > $WORKDIR/grp.list.$$
saveifs=$IFS
$CAT $WORKDIR/grp.list.$$ > $WORKDIR/grp2.$$
newfile=$WORKDIR/grp2new.$$
while read group1
do
src1=`$CAT $group1.src`
$SORT $group1 > $WORKDIR/g1name.$$
$SORT -t: +2 -3 $group1 > $WORKDIR/g1gid.$$
$AWK -F: '{print $1}' $WORKDIR/g1name.$$ |
$UNIQ -d |
while read grpname
do
message WARN grp001w "" "Groupname \`$grpname' exists multiple times in $src1."
done
$AWK -F: '{print $3}' $WORKDIR/g1gid.$$ |
$UNIQ -d |
while read gid
do
message WARN grp002w "" "GID $gid exists multiple times in $src1."
done
$AWK -F: 'NF != 4 {print}' $WORKDIR/g1gid.$$ |
while read entry
do
message WARN grp003w "$entry" "Malformed entry in $src1:"
done
$GREP -v "^$group1\$" $WORKDIR/grp2.$$ |
while read group2
do
src2=`$CAT $group2.src`
$SORT $group2 > $WORKDIR/g2name.$$
$SORT -t: +2 -3 $group2 > $WORKDIR/g2gid.$$
$JOIN -t: -o 1.1 1.3 2.3 $WORKDIR/g1name.$$ $WORKDIR/g2name.$$ |
{
IFS=:
while read grpname gid1 gid2
do
IFS=$saveifs
[ "$gid1" != "$gid2" ] && {
message WARN grp004w "" "GID conflict for group \`$grpname' between $src1 (gid = $gid1) and $src2 (gid = $gid2)."
}
IFS=:
done
}
$JOIN -t: -j 3 -o 1.3 1.1 2.1 $WORKDIR/g1gid.$$ $WORKDIR/g2gid.$$ |
{
IFS=:
while read gid name1 name2
do
IFS=$saveifs
[ "$name1" != "$name2" ] && {
message WARN grp005w "" "Groupname conflict for gid $gid between $src1 (group $name1) and $src2 (group $name2)."
}
IFS=:
done
}
echo "$group2" >> $newfile
delete $WORKDIR/g2gid.$$ $WORKDIR/g2name.$$
done
delete $WORKDIR/g1gid.$$ $WORKDIR/g1name.$$ $WORKDIR/grp2.$$
[ -s $newfile ] && $MV $newfile $WORKDIR/grp2.$$
done < $WORKDIR/grp.list.$$ |
$OUTPUTMETHOD
while read file
do
delete $file $file.src
done < $WORKDIR/grp.list.$$
delete $WORKDIR/grp.list.$$ $WORKDIR/grp2new.$$
|
